\(\dfrac{121212}{767676}=\dfrac{12}{76}=\dfrac{3}{19}\)
`121212/767676=(121212:40404)/(767676:40404)=3/19`
\(\dfrac{121212}{767676}\)=\(\dfrac{121212:10101}{767676:10101}\)=\(\dfrac{12}{76}\)=\(\dfrac{3}{19}\)
\(\dfrac{121212}{767676}=\dfrac{12}{76}=\dfrac{3}{19}\)
`121212/767676=(121212:40404)/(767676:40404)=3/19`
\(\dfrac{121212}{767676}\)=\(\dfrac{121212:10101}{767676:10101}\)=\(\dfrac{12}{76}\)=\(\dfrac{3}{19}\)
70(121212/565656+121212/727272+121212/909090)
Tính:\(C=70.\left(\frac{121212}{565656}+\frac{121212}{727272}+\frac{121212}{909090}\right)\)
tính tổng
A = 70 .[ 121212/565656 + 121212/727272 + 121212/909090
B = 191/210 + 161/240 +129/272 + 95/306
121212/353535+-2323/4242
135,54+1547+12,34+121212
Tính hợp lí:
A=\(\frac{5}{12\times17}+\frac{35}{17\times18}-\frac{39}{18\times21}+\frac{30}{21\times72}\)
B=\(\frac{767676\times31-626262\times38}{1^2+2^3+3^4+......+99^{100}}\)
424242/121212
Tinh:
121212/646464 + 154.42+34/156.42-50
Tính:
121212/646464 + 154.42+34/156.42-50